Ratnapala, N. (1999). Sex workers of Sri Lanka. Sarvodaya Vishva Lekha Publishers.
Chicago Style aipamenaRatnapala, Nandasena. Sex Workers of Sri Lanka. [Colombo]: Sarvodaya Vishva Lekha Publishers, 1999.
MLA aipamenaRatnapala, Nandasena. Sex Workers of Sri Lanka. Sarvodaya Vishva Lekha Publishers, 1999.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.